Objectives: Adopting healthy life style in elderly is very important. Iranian elderly population is increasing gradually, so identifying influencing factors on their healthy life style promotion is one of the concerns for policy makers in our country. Therefore this study explored elderly viewpoints about influential factors on their healthy life styles. Methods & Materials: This was a qualitative study involving face to face interviews with 15 elderly in Shabestar`s health center in Iran. All interviews were written and recorded . We used the thematic framework method for analyzing such qualitative data. Results: Three factors which found to be as as key influencing factors on elderly healthy lifestyle were as "Dimensions of healthy lifestyle", "social support" and ”facilitator factors in adopting a healthy lifestyle". Descriptive concepts of healthy lifestyle founded as safety precautions, social engagement, spirituality and daily life habits. Descriptive concepts of social support included family, friends, officials, media and finally descriptive concepts related to facilitator factors included meeting the needs of elderly and elderly self efficacy. Conclusion: Promoting healthy lifestyles in the elderly people is influenced by several factors. Identifying such influential factors on elderly healthy life style has an important role in promoting life style in this age group. It is suggested the outcomes of this study can be a step in developing of educational strategies and promotion of healthy lifestyle in elderly people.